Dental Dentures: Partial | Cosmetic Dentistry
Dental Dentures
Teeth whitening
4.3 Kennedy Class I, Upper Arch
31
The natural result of bilateral edentulous areas posterior to the remaining teeth is two free-end saddles. Statically speaking, we are presented with the following situation: When one saddle is depressed under a functional load, a lifting force, or torsional stress, is generated on the opposite side, the axis of rotation runs through the distal rest on the same side and the end of the saddle on the opposite side.
Here, too, it is crucial to limit the magnitude of saddle displacement in a gingival direction; broad extension of the saddle, avoidance of occlusal forces on the distal third of the saddle (Fig. 31).
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